What airlines fly to Barcelona?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Barcelona from San Diego according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Diego to Barcelona?

British Airways is the most popular carrier operating from San Diego to Barcelona

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$254 Cheap Flights from San Diego to Barcelona in 2025/26

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Find the cheapest flights from San Diego to Barcelona

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 9:35 amSAN-BCN

29h 40m2 stops

5:50 am - 8:47 pmBCN-SAN

23h 57m2 stops

$486United Airlines

Find Deal

dom., feb. 1 - dom., feb. 8

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

11:00 am - 9:28 pmBCN-SAN

19h 28m1 stop

$487United Airlines

Find Deal

mié., ene. 7 - jue., ene. 15

2:55 pm - 5:05 pmSAN-BCN

17h 10m2 stops

10:15 am - 8:24 pmBCN-SAN

19h 09m1 stop

$488Multiple Airlines

Find Deal

jue., feb. 5 - jue., feb. 12

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

5:50 am - 8:37 amBCN-SAN

35h 47m2 stops

$489United Airlines

Find Deal

mié., ene. 7 - sáb., ene. 17

10:40 pm - 9:35 amSAN-BCN

25h 55m2 stops

11:55 am - 3:45 pmBCN-SAN

36h 50m1 stop

$490United Airlines

Find Deal

sáb., ene. 10 - sáb., ene. 17

11:10 am - 5:35 pmSAN-BCN

21h 25m2 stops

11:00 am - 9:28 pmBCN-SAN

19h 28m1 stop

$491United Airlines

Find Deal

vie., ene. 9 - mar., ene. 13

12:40 pm - 9:35 amSAN-BCN

59h 55m2 stops

11:55 am - 12:03 pmBCN-SAN

57h 08m2 stops

$492Air Canada

Find Deal

vie., ene. 9 - sáb., ene. 17

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

11:55 am - 3:45 pmBCN-SAN

36h 50m1 stop

$493United Airlines

Find Deal

mié., ene. 7 - sáb., ene. 17

2:11 pm - 5:35 pmSAN-BCN

18h 24m2 stops

6:50 am - 12:15 amBCN-SAN

26h 25m2 stops

$494United Airlines

Find Deal

jue., ene. 8 - jue., ene. 15

7:00 am - 2:15 pmSAN-BCN

22h 15m2 stops

6:50 am - 8:49 pmBCN-SAN

22h 59m3 stops

$495United Airlines

Find Deal

vie., ene. 9 - vie., ene. 23

Air Canada flights from San Diego to Barcelona

Our best Air Canada deals on San Diego to Barcelona flight tickets

Air Canada

Jan 9

SAN12:40 pmSan Diego

59h 55m

2 stops

BCN9:35 amBarcelona-El Prat

Jan 17

BCN11:55 amBarcelona-El Prat

57h 08m

2 stops

SAN12:03 pmSan Diego

$492

Find similar

Air Canada

Jan 10

SAN10:52 amSan Diego

37h 43m

2 stops

BCN9:35 amBarcelona-El Prat

Jan 17

BCN11:55 amBarcelona-El Prat

57h 08m

2 stops

SAN12:03 pmSan Diego

$501

Find similar

Air Canada

Dec 24

SAN6:10 pmSan Diego

54h 25m

2 stops

BCN9:35 amBarcelona-El Prat

Dec 30

BCN1:35 pmBarcelona-El Prat

31h 28m

2 stops

SAN12:03 pmSan Diego

$561

Find similar

Lufthansa flights from San Diego to Barcelona

Our best Lufthansa deals on San Diego to Barcelona flight tickets

Lufthansa

Jan 7

SAN5:35 pmSan Diego

20h 30m

1 stop

BCN11:05 pmBarcelona-El Prat

Jan 18

BCN7:40 amBarcelona-El Prat

17h 05m

1 stop

SAN3:45 pmSan Diego

$496

Find similar

Lufthansa

Dec 2

SAN5:35 pmSan Diego

15h 00m

1 stop

BCN5:35 pmBarcelona-El Prat

Dec 16

BCN11:55 amBarcelona-El Prat

21h 20m

2 stops

SAN12:15 amSan Diego

$510

Find similar

Lufthansa

Jan 10

SAN4:00 pmSan Diego

22h 05m

2 stops

BCN11:05 pmBarcelona-El Prat

Jan 16

BCN6:20 pmBarcelona-El Prat

38h 55m

2 stops

SAN12:15 amSan Diego

$512

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

dom. 2/1

6:55 pm-9:35 am

2 stops29h 40m

Barcelona-El Prat

dom. 2/8

5:50 am-8:47 pm

2 stops23h 57m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

mié. 1/7

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

jue. 1/15

11:00 am-9:28 pm

1 stop19h 28m

$487

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

jue. 2/5

2:55 pm-5:05 pm

2 stops17h 10m

Barcelona-El Prat

jue. 2/12

10:15 am-8:24 pm

1 stop19h 09m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

mié. 1/7

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

sáb. 1/17

5:50 am-8:37 am

2 stops35h 47m

$489

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

sáb. 1/10

10:40 pm-9:35 am

2 stops25h 55m

Barcelona-El Prat

sáb. 1/17

11:55 am-3:45 pm

1 stop36h 50m

$490

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 1/9

11:10 am-5:35 pm

2 stops21h 25m

Barcelona-El Prat

mar. 1/13

11:00 am-9:28 pm

1 stop19h 28m

$491

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 1/9

12:40 pm-9:35 am

2 stops59h 55m

Barcelona-El Prat

sáb. 1/17

11:55 am-12:03 pm

2 stops57h 08m

$492

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

mié. 1/7

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

sáb. 1/17

11:55 am-3:45 pm

1 stop36h 50m

$493

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

jue. 1/8

2:11 pm-5:35 pm

2 stops18h 24m

Barcelona-El Prat

jue. 1/15

6:50 am-12:15 am

2 stops26h 25m

$494

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

vie. 1/9

7:00 am-2:15 pm

2 stops22h 15m

Barcelona-El Prat

vie. 1/23

6:50 am-8:49 pm

3 stops22h 59m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $632. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $700.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Diego to Barcelona is on a Wednesday when prices can be found for as low as $782. On the other hand, Thursday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Diego to Barcelona when you can find flight prices for as low as $850. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $939 on average. Flights to Barcelona from San Diego in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $869 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $743 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Direct flights	None

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 15h 00m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of November 2025.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,412 reviews	Search KLM flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,462 reviews	Search Air Canada flights
Delta	PriceFrom $562	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Lufthansa	PriceFrom $563	Free Cancellation	Rating 6.8 7,579 reviews	Search Lufthansa flights
Iberia	PriceFrom $573	Free Cancellation	Rating 7.0 3,027 reviews	Search Iberia flights
United Airlines	PriceFrom $578	Free Cancellation	Rating 7.4 9,023 reviews	Search United Airlines flights
British Airways	PriceFrom $623	Free Cancellation	Rating 6.7 7,534 reviews	Search British Airways flights
American Airlines	PriceFrom $635	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.